source: trip-planner-front/node_modules/webpack/lib/dependencies/CommonJsFullRequireDependency.js@ 571e0df

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const Template = require("../Template");
const { equals } = require("../util/ArrayHelpers");
const makeSerializable = require("../util/makeSerializable");
const propertyAccess = require("../util/propertyAccess");
const ModuleDependency = require("./ModuleDependency");

/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */

class CommonJsFullRequireDependency extends ModuleDependency {
        /**
         * @param {string} request the request string
         * @param {[number, number]} range location in source code
         * @param {string[]} names accessed properties on module
         */
        constructor(request, range, names) {
                super(request);
                this.range = range;
                this.names = names;
                this.call = false;
                this.asiSafe = undefined;
        }

        /**
         * Returns list of exports referenced by this dependency
         * @param {ModuleGraph} moduleGraph module graph
         * @param {RuntimeSpec} runtime the runtime for which the module is analysed
         * @returns {(string[] | ReferencedExport)[]} referenced exports
         */
        getReferencedExports(moduleGraph, runtime) {
                if (this.call) {
                        const importedModule = moduleGraph.getModule(this);
                        if (
                                !importedModule ||
                                importedModule.getExportsType(moduleGraph, false) !== "namespace"
                        ) {
                                return [this.names.slice(0, -1)];
                        }
                }
                return [this.names];
        }

        serialize(context) {
                const { write } = context;
                write(this.names);
                write(this.call);
                write(this.asiSafe);
                super.serialize(context);
        }

        deserialize(context) {
                const { read } = context;
                this.names = read();
                this.call = read();
                this.asiSafe = read();
                super.deserialize(context);
        }

        get type() {
                return "cjs full require";
        }

        get category() {
                return "commonjs";
        }
}

CommonJsFullRequireDependency.Template = class CommonJsFullRequireDependencyTemplate extends (
        ModuleDependency.Template
) {
        /**
         * @param {Dependency} dependency the dependency for which the template should be applied
         * @param {ReplaceSource} source the current replace source which can be modified
         * @param {DependencyTemplateContext} templateContext the context object
         * @returns {void}
         */
        apply(
                dependency,
                source,
                {
                        module,
                        runtimeTemplate,
                        moduleGraph,
                        chunkGraph,
                        runtimeRequirements,
                        runtime,
                        initFragments
                }
        ) {
                const dep = /** @type {CommonJsFullRequireDependency} */ (dependency);
                if (!dep.range) return;
                const importedModule = moduleGraph.getModule(dep);
                let requireExpr = runtimeTemplate.moduleExports({
                        module: importedModule,
                        chunkGraph,
                        request: dep.request,
                        weak: dep.weak,
                        runtimeRequirements
                });
                const ids = dep.names;
                const usedImported = moduleGraph
                        .getExportsInfo(importedModule)
                        .getUsedName(ids, runtime);
                if (usedImported) {
                        const comment = equals(usedImported, ids)
                                ? ""
                                : Template.toNormalComment(propertyAccess(ids)) + " ";
                        requireExpr += `${comment}${propertyAccess(usedImported)}`;
                }
                source.replace(dep.range[0], dep.range[1] - 1, requireExpr);
        }
};

makeSerializable(
        CommonJsFullRequireDependency,
        "webpack/lib/dependencies/CommonJsFullRequireDependency"
);

module.exports = CommonJsFullRequireDependency;